Voltage distribution in insulator string

Which of the following is not a factor affecting voltage distribution in insulator string?

• Weather condition
• Insulator diameter
• Insulator length
• Tower height

In an insulator string with unequal insulator diameters, which insulator has the highest voltage across it?

• The insulator with the smallest diameter
• The insulator with the largest diameter
• The insulator in the middle
• The insulator with the second-largest diameter

Why are insulators connected in series in transmission lines?

• To increase the voltage rating of the line
• To increase the current carrying capacity of the line
• To reduce the voltage gradient along the line
• To reduce the corona loss on the line

Which of the following is a disadvantage of using suspension insulators in transmission lines?

• They are heavier and bulkier than pin insulators
• They are more prone to damage from wind and ice
• They are more difficult to install on the line
• They are less effective at reducing corona losses

A transmission line with an insulator string consisting of five identical insulators has a total line voltage of 500 kV. What is the voltage across each insulator in the string?

• 100 kV
• 500 kV
• 125 kV
• 250 kV